199757956

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{172801}}^1$

素因数の和:172839

約数の個数: 18

約数和(自身を含む): 371351498

約数和(自身を除く): 171593542

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 172801, 345602, 691204, 2937617, 5875234, 11750468, 49939489, 99878978, 199757956]

約数ペア:

[(1, 199757956), (2, 99878978), (4, 49939489), (17, 11750468), (34, 5875234), (68, 2937617), (289, 691204), (578, 345602), (1156, 172801)]